10+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

🎵 FFTX - Fast Fourier Transform Spectrum Analyzer

Transform your device into a professional audio analysis tool!

FFTX is a powerful, real-time spectrum analyzer that visualizes audio frequencies using advanced Fast Fourier Transform algorithms. Perfect for musicians, audio engineers, educators, and anyone curious about sound!

🚀 KEY FEATURES:

📊 Multiple Visualization Modes • Bars Mode - Classic frequency spectrum bars
• Wave Mode - Continuous waveform display • Circular Mode - Stunning radial frequency visualization
• Spectrogram - Time-frequency waterfall display

🎛️ Professional Audio Tools • Real-time Pitch Detection - Identify musical notes instantly
• Harmonic Analysis - Find fundamental frequencies and harmonics
• Frequency Filtering - Adjustable low-pass and high-pass filters
• Audio Recording - Record and playback for comparison
• Data Export - Export analysis data in JSON format

🎯 PERFECT FOR: • Musicians - Tune instruments and analyze musical performances
• Audio Engineers - Identify frequency issues and optimize sound
• Educators - Teach acoustics and sound physics
• Troubleshooting - Find annoying electronic whines and noise sources
• Sound Enthusiasts - Explore the frequency spectrum of everyday sounds

✨ ADVANCED FEATURES: • High-precision FFT analysis (2048-point)
• Customizable frequency range filtering (20Hz - 20kHz)
• Musical note identification with cent deviation
• Real-time amplitude and peak level monitoring
• Responsive design optimized for all screen sizes
• Professional-grade audio processing pipeline

🎨 BEAUTIFUL INTERFACE: • Modern, intuitive design with glassmorphism effects
• Smooth animations and responsive controls
• Dark theme optimized for professional use
• Mobile-friendly touch interface

🔧 TECHNICAL SPECIFICATIONS: • Sample Rate: Up to 48kHz
• Frequency Resolution: ~23Hz per bin
• Dynamic Range: Professional audio quality
• Latency: Ultra-low for real-time analysis
• Compatibility: Works with built-in microphone or external audio interfaces

📱 EASY TO USE:

1. 1.
Grant microphone permission
2. 2.
Tap "Start Analysis"
3. 3.
Make sounds, play music, or speak
4. 4.
Watch frequencies come alive in real-time!
5. 5.
Switch between visualization modes
6. 6.
Use advanced tools for detailed analysis
🎓 EDUCATIONAL VALUE: Perfect for understanding:
• How different instruments create unique frequency signatures
• The relationship between pitch and frequency
• Harmonic content in musical sounds
• Acoustic properties of environments
• Digital signal processing concepts

🔒 PRIVACY & PERMISSIONS: • Microphone access required for audio analysis
• No audio data is stored or transmitted
• All processing happens locally on your device
• No internet connection required for core functionality

Whether you're a professional audio engineer, music student, or simply curious about the science of sound, FFTX provides the tools you need to explore and understand the frequency spectrum around you.
Updated on
Sep 2, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Initial Version

App support

About the developer
EUREKAISM SDN. BHD.
jerome@minimo.tech
51 Jalan Setia 10/8 Taman Setia Indah 81100 Johor Bahru Malaysia
+60 11-5419 2278

More by EUREKAISM SDN BHD